(;AW[bq]AW[cp]AW[dp]AW[eq]AB[co]AB[do]AB[cn]AB[bm]AB[dm]AB[dl]AW[cm]AB[ck]AB[ek]AB[ej]AB[gj]AB[hj]AB[ij]AB[ik]AB[kk]AB[jl]AB[jm]AB[jn]AB[jo]AB[ep]AB[gp]AB[fp]AB[hp]AB[kp]AW[dn]AW[en]AW[eo]AW[em]AW[el]AW[fk]AW[gk]AW[hk]AW[il]AW[im]AW[fo]AW[go]AW[ho]AB[fn]AB[fm]AB[gn]AB[gm]AB[gl]AW[io]AB[ip]AB[fi]AB[ei]AB[gi]AP[goproblems] (;B[in];W[hn] (;B[fl];W[hl] (;B[fj];W[hm] (;B[fn];W[fm];B[fl];W[gn]) (;B[fm];W[gm] (;B[fn];W[fl]) (;B[fl];W[fn])) (;B[fl];W[fm];B[fn] (;W[gn]C[CHOICE]) (;W[gl]C[CHOICE]) (;W[gm]C[CHOICE])) (;B[gn];W[gm] (;B[fn];W[fm]) (;B[fm];W[fn]) (;B[fl] (;W[fm]C[CHOICE]) (;W[fn]C[CHOICE]))) (;B[gm];W[fm] (;B[fn];W[gn]) (;B[fl] (;W[gn]C[CHOICE]) (;W[gl]C[CHOICE]))) (;B[gl];W[gm] (;B[fn] (;W[fm]C[CHOICE]) (;W[fl]C[CHOICE])) (;B[fm] (;W[fn]C[CHOICE]) (;W[fl]C[CHOICE])))) (;B[hm]C[RIGHT])) (;B[hl]C[RIGHT]) (;B[fj];W[hm]C[]) (;B[hm]C[White is dead. This a rabbity six. If white kills these stones, white is left with one eye unless white can escape.RIGHT];W[hl]C[Play T to tenuki.CHOICERIGHT]LB[ai:T] (;B[fj];W[fl] (;B[gm]C[White has a killable shape inside. The white stones are dead unless they can escape.RIGHT]) (;B[fm];W[gm])) (;B[fl]C[RIGHT]) (;B[ai]C[RIGHT]))) (;B[hn];W[in]TR[fl]TR[hl]C[White has miai of wF8 and wH8 for connection.] (;B[fl];W[hl];B[fj];W[hm]) (;B[hl];W[fl];B[fj];W[hm]) (;B[hm] (;W[fl]C[CHOICE];B[fj];W[hl] (;B[fn];W[gm]) (;B[fm];W[gm]) (;B[gn];W[gm]) (;B[gm];W[gn] (;B[fn];W[fm]) (;B[fm];W[hm]) (;B[gl] (;W[fm]C[CHOICE]) (;W[hm]C[CHOICE]))) (;B[gl];W[gm]) (;B[hn];W[gm]) (;B[hm];W[gm])) (;W[hl];B[fj];W[fl]C[CHOICE] (;B[gm];W[gn] (;B[fn];W[fm]) (;B[fm];W[hm]) (;B[gl] (;W[fm]C[CHOICE]) (;W[hm]C[CHOICE]))) (;B[fn];W[gm]) (;B[fm];W[gm]) (;B[gn];W[gm]) (;B[gl];W[gm]) (;B[hn];W[gm]) (;B[hm];W[gm]))) (;B[fj] (;W[fl]C[You failed to kill white's D6 group. You did get a seki.CHOICE]) (;W[hl]C[You failed to kill white's d6 group. You did get a seki.]))) (;B[hm]C[This is a rabbitty six. If white kills the black stones, white's stones die unless the white stones can escape.];W[in]LB[ai:T]C[You failed to kill white's D6 group. You did get a seki. Play T for tenuki.] (;B[fj] (;W[fl]C[SekiCHOICE]) (;W[hl]C[SekiCHOICE])) (;B[fl]C[Bf8 isn't needed and is a mistake which gives white 10 points (7 prisoners plus at least 3 territory).];W[hl];B[fj];W[hn] (;B[gm];W[fm] (;B[fn];W[gn]) (;B[fl];W[gl]) (;B[gn];W[gl]) (;B[gl];W[gn]) (;B[hm] (;W[gn]C[You failed to kill white's D6 group.CHOICE]) (;W[gl]C[You failed to get a seki.]))) (;B[fm];W[gm]C[White is alive.]) (;B[hm];W[gm]C[White is alive.])) (;B[hl]C[This move is unnecessary. The outcome is still seki. The butterfly seven is a live shape. White can get seki.];W[fl]C[White is alive.] (;B[fj];W[hn] (;B[gm];W[gl] (;B[hm];W[fm];B[gn]C[Seki]) (;B[gn];W[hm]C[White is alive.] (;B[fm];W[fn]) (;B[fn];W[fm])) (;B[fn];W[hm]C[White is alive.] (;B[fm];W[gn]) (;B[gn];W[fm]))) (;B[hl];W[gm]C[You failed to kill white's D6 group. By not playing bG7 you also missed the seki.]) (;B[cl];W[gm]C[You failed to kill white's D6 group. If you had played bG7, you could still get a seki.])) (;B[jk];W[hn] (;B[gm];W[gl] (;B[hm];W[fm];B[gn]C[Seki]) (;B[fn];W[hm]C[White is alive.] (;B[fm];W[gn]) (;B[gn];W[fm])) (;B[gn];W[hm]C[White is alive.] (;B[fm];W[fn]) (;B[fn];W[fm]))) (;B[hl];W[gm]C[White is alive.]) (;B[cl];W[gm]C[White is alive.]))) (;B[hn] (;W[fl]C[CHOICE];B[fj];W[hl]C[You failed to kill white's D6 group.] (;B[gm];W[gn] (;B[fm];W[hm]) (;B[hm];W[fm])) (;B[fn];W[gm]) (;B[fm];W[gm]) (;B[gn];W[gm]) (;B[gl];W[gm]) (;B[hn];W[gm]) (;B[hm];W[gm])) (;W[hl]C[CHOICE];B[fj];W[fl] (;B[fn];W[gm]) (;B[fm];W[gm]) (;B[gn];W[gm]) (;B[gm];W[gn] (;B[fn];W[fm]) (;B[fm];W[hm]) (;B[gl] (;W[fm]C[CHOICE]) (;W[hm]C[CHOICE]))) (;B[gl];W[gm]) (;B[hn];W[gm]) (;B[hm];W[gm]))) (;B[ai]C[Yes. You have seki because of rabbity six unless the white stones could escape. There are different paths that kill the white stones.])) (;B[fl]C[White is dead with correct play by black..] (;W[hn]C[CHOICE] (;B[hl];W[hm];B[fn];W[fm] (;B[fl];W[gl]) (;B[gn];W[gm]) (;B[gm];W[gl]) (;B[gl] (;W[gn]C[CHOICE]) (;W[gm]C[CHOICE])) (;B[hl];W[gl])) (;B[fj];W[hl]) (;B[in]C[RIGHT];W[hl] (;B[fj];W[hm]) (;B[hm]C[RIGHT]))) (;W[hl]C[CHOICE];B[in]C[RIGHT];W[hn];B[hm]C[RIGHT]) (;W[hm]C[CHOICE];B[in]C[RIGHT];W[hn];B[hl]C[RIGHT]) (;W[in]C[CHOICE] (;B[hl]C[RIGHT]) (;B[fj];W[hl]C[You failed to kill white's D6 group.]) (;B[hm];W[hl]C[You failed to kill white's D6 group.];B[fj];W[hn] (;B[gm];W[fm] (;B[fn];W[gn]) (;B[fl];W[gl]) (;B[gn];W[gl]) (;B[gl];W[gn]) (;B[hm] (;W[gn]C[You failed to kill white's D6 group.CHOICE]) (;W[gl]C[You failed to get a seki.]))) (;B[fm];W[gm]C[White is alive.]) (;B[hm];W[gm]C[White is alive.])) (;B[hn];W[hl]C[You failed to kill white's D6 group.];B[fj];W[hm]))) (;B[fj];W[hm] (;B[fl];W[hl] (;B[in];W[hn] (;B[fn];W[fm];B[fl];W[gn]) (;B[fm];W[gm] (;B[fn];W[fl]) (;B[fl];W[fn])) (;B[fl];W[fm];B[fn] (;W[gn]C[CHOICE]) (;W[gl]C[CHOICE]) (;W[gm]C[CHOICE])) (;B[gn];W[gm] (;B[fn];W[fm]) (;B[fm];W[fn]) (;B[fl] (;W[fm]C[CHOICE]) (;W[fn]C[CHOICE]))) (;B[gm];W[fm] (;B[fn];W[gn]) (;B[fl] (;W[gn]C[CHOICE]) (;W[gl]C[CHOICE]))) (;B[gl];W[gm] (;B[fn] (;W[fm]C[CHOICE]) (;W[fl]C[CHOICE])) (;B[fm] (;W[fn]C[CHOICE]) (;W[fl]C[CHOICE])))) (;B[hn];W[in]C[You failed to kill white's D6 group.])) (;B[hl];W[fl]C[You failed to kill white's D6 group.];B[in];W[hn]C[You failed to kill white's D6 group.]) (;B[in];W[hn]C[You failed to kill white's D6 group. You did get a seki.])) (;B[hl];W[fl] (;B[in]C[RIGHT]) (;B[fj];W[in]C[You failed to kill white's D6 group.]) (;B[hm]C[This is a butterfly seven shape inside which lives.]TR[fn]TR[fm]TR[gl]TR[hl]TR[hm]TR[gm]TR[gn];W[hn];B[gm];W[hm];B[gl];W[gn];B[fm]C[Seki]) (;B[hn];W[in]C[White lives because he has two liberties.];B[fj];W[hm]C[You failed to kill white's D6 group.])) (;B[cl];W[in];B[fj] (;W[fl]C[SekiCHOICE]) (;W[hl]C[SekiCHOICE])))